Mujaahid Wilson, 20, was stabbed to death outside a pizza shop in Thornton Heath on 14 March 2016.

Police and paramedics were called to reports of an assault on the High Street at around 8.30pm.

Mr Wilson, from Croydon, was pronounced dead at the scene and at postmortem the cause of death was established as a single stab wound to the heart.

Detectives said Mr Wilson was attacked after he got out of a Fiat Punto and approached one man in a group of nine or ten outside Mamma's Pizza.

A fight developed and spilled into the road and ended with the victim being stabbed. The suspect, described as black, aged around 18-25 and wearing dark clothing and a face mask, ran off into Gilsland Road.

On 7 June 2016 a 17 year-old man was charged with murder. He is due to stand trial at the Old Bailey on 5 December 2016.

Anyone with information is asked to call the incident room on 020 8721 4205 or if you wish to remain anonymous Crimestoppers on 0800 555 111.

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On 21 December 2016, 18 year-old Ashley Newman of Castland Street, Leatherhead, was found not guilty of the murder of Mujaahid Wilson following trial at the Old Bailey.

Newman, who was wearing a black hooded puffer jacket and had a scarf across his face at the time of the incident, accepted inflicting the fatal blow, but insisted he did not mean to kill or seriously injure Wilson.

He denied murder and manslaughter and was cleared of both charges.

They were caught on the CCTV outside Mama's Pizza's on Thornton Heath High Street squaring up to each other, before Wilson threw the first punch, the jury was told.

Although he missed, the two boys started grappling and Newman took a knife from his waistband and stabbed Wilson once to the chest.

The stab wound pierced Wilson's heart and he died a few minutes later.

A small black blade, believed to belong to Wilson, was found at the scene, the court heard.

Newman claimed he did not realise he had stabbed Wilson until Wilson started to run away towards the pizza shop while clutching his chest.